44210861 has 2 divisors, whose sum is σ = 44210862. Its totient is φ = 44210860.

The previous prime is 44210857. The next prime is 44210869. The reversal of 44210861 is 16801244.

44210861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39062500 + 5148361 = 6250^2 + 2269^2 .

It is a cyclic number.

It is not a de Polignac number, because 44210861 - 2² = 44210857 is a prime.

It is a super-2 number, since 2×44210861² = 3909200460722642, which contains 22 as substring.

It is equal to p_2673332 and since 44210861 and 2673332 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44210861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44210869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22105430 + 22105431.

It is an arithmetic number, because the mean of its divisors is an integer number (22105431).

Almost surely, 2^44210861 is an apocalyptic number.

It is an amenable number.

44210861 is a deficient number, since it is larger than the sum of its proper divisors (1).

44210861 is an equidigital number, since it uses as much as digits as its factorization.

44210861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 44210861 is about 6649.1248296298. The cubic root of 44210861 is about 353.5978841292.

The spelling of 44210861 in words is "forty-four million, two hundred ten thousand, eight hundred sixty-one".